Hi @sturpin,
same problem again.
Analyzing the logs in /var/log/veeam/veeaminstaller.log, on restart with sudo veeamconsoleconfig --restart_service I only see this:
[28.07.2026 21:09:37.808] <134949979753344> installer| Command line: [/var/lib/veeamma/utils/x64/veeaminstaller, --system-info, VAC]
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| File [/etc/veeam/veeam.ini] does not exist, default settings will be used.
[28.07.2026 21:09:37.809] <134949979753344> | LOG: Initializing log file for process with PID 2381003
[28.07.2026 21:09:37.809] <134949979753344> | ====================================================================================
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| {
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| Veeam Agent for Linux: /var/lib/veeamma/utils/x64/veeaminstaller.
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| PID: 2381003
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| Version: 13.0.1.94
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| Build edition: standard
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| Build date: 29/10/2025
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| hostname: backend-public-services
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| uname
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| sysname : Linux
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| release : 6.8.0-106-generic
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| version : #106-Ubuntu SMP PREEMPT_DYNAMIC Fri Mar 6 07:58:08 UTC 2026
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| machine : x86_64
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| cpuinfo
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| processor : 0
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| processor : 1
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| processor : 2
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| processor : 3
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| processor : 4
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| processor : 5
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| meminfo
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| MemTotal: 16375828 kB
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| MemFree: 1763344 kB
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| MemAvailable: 14378096 kB
[28.07.2026 21:09:37.809] <134949979753344> lpbcommon| hostIP
[28.07.2026 21:09:37.810] <134949979753344> lpbcommon| 127.0.0.1
[28.07.2026 21:09:37.810] <134949979753344> lpbcommon| 172.16.0.6
[28.07.2026 21:09:37.810] <134949979753344> lpbcommon| XX.XXX.XX.XXX
[28.07.2026 21:09:37.810] <134949979753344> lpbcommon| 172.17.0.1
[28.07.2026 21:09:37.810] <134949979753344> lpbcommon| ::1
[28.07.2026 21:09:37.810] <134949979753344> lpbcommon| fe80::20c:29ff:fe20:9e41
[28.07.2026 21:09:37.810] <134949979753344> lpbcommon| fe80::250:56ff:fe0b:aec3
[28.07.2026 21:09:37.810] <134949979753344> lpbcommon| }
[28.07.2026 21:09:37.810] <134949979753344> installer| Running command [/var/lib/veeamma/utils/x64/veeaminstaller] with arguments: [{--system-info}, {VAC}].
[28.07.2026 21:09:37.810] <134949979753344> installer| Collecting system info.
[28.07.2026 21:09:37.811] <134949979753344> posix_sys| Looking for existing agent id in file [/etc/veeamagentid].
[28.07.2026 21:09:37.811] <134949979753344> posix_sys| Existing agent id was not found in file.
[28.07.2026 21:09:37.811] <134949979753344> posix_sys| Retrieving BIOS UUID
[28.07.2026 21:09:37.811] <134949979753344> | Creating child process: which with arguments: dmidecode
[28.07.2026 21:09:37.812] <134949979753344> | Creating child process: /usr/sbin/dmidecode with arguments: -s, system-uuid
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| Successfully received BIOS UUID using dmidecode
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| Hardware UUID: {564d552e-4cf8-9081-fa01-6f1502209e41}
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| Parsing SOsReleaseInfo from file /etc/os-release
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| /etc/os-release file content:
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| PRETTY_NAME="Ubuntu 24.04.4 LTS"
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| NAME="Ubuntu"
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| VERSION_ID="24.04"
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| VERSION="24.04.4 LTS (Noble Numbat)"
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| VERSION_CODENAME=noble
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| ID=ubuntu
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| ID_LIKE=debian
[28.07.2026 21:09:37.814] <134949979753344> posix_sys| HOME_URL="https://www.ubuntu.com/"
[28.07.2026 21:09:37.814> posix_sys| SUPPORT_URL="https://help.ubuntu.com/"
[28.07.2026 21:09:37.814> posix_sys| BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
[28.07.2026 21:09:37.814> posix_sys| PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
[28.07.2026 21:09:37.814> posix_sys| UBUNTU_CODENAME=noble
[28.07.2026 21:09:37.814> posix_sys| LOGO=ubuntu-logo
[28.07.2026 21:09:37.814> configpar| Configuration content is parsed.
[28.07.2026 21:09:37.814> configpar| Configuration content is parsed. ok.
[28.07.2026 21:09:37.814> installer| Getting hostname.
[28.07.2026 21:09:37.814> | Creating child process: hostname with arguments:
[28.07.2026 21:09:37.814> | Thread started. Role: 'Stdout reader, pid 2381010', thread id: 134949975881408, parent id: 134949979753344.
[28.07.2026 21:09:37.814> | Thread started. Role: 'Stderr reader, pid 2381010', thread id: 134949967488704, parent id: 134949979753344.
[28.07.2026 21:09:37.816> | Thread finished. Role: 'Stderr reader, pid 2381010'.
[28.07.2026 21:09:37.817> installer| backend-public-services
[28.07.2026 21:09:37.817> | Thread finished. Role: 'Stdout reader, pid 2381010'.
[28.07.2026 21:09:37.817> installer| Getting hostname. ok.
[28.07.2026 21:09:37.817> installer| Getting fgdn.
[28.07.2026 21:09:37.817> | Creating child process: hostname with arguments: --fqdn
[28.07.2026 21:09:37.817> | Thread started. Role: 'Stdout reader, pid 2381013', thread id: 134949975881408, parent id: 134949979753344.
[28.07.2026 21:09:37.817> | Thread started. Role: 'Stderr reader, pid 2381013', thread id: 134949967488704, parent id: 134949979753344.
[28.07.2026 21:09:37.819> installer| backend-public-services
[28.07.2026 21:09:37.819> | Thread finished. Role: 'Stdout reader, pid 2381013'.
[28.07.2026 21:09:37.819> | Thread finished. Role: 'Stderr reader, pid 2381013'.
[28.07.2026 21:09:37.819> installer| Getting fgdn. ok.
[28.07.2026 21:09:37.819> installer| Collecting system info. ok.
[28.07.2026 21:09:39.444> installer| Command line: [/var/lib/veeamma/utils/x64/veeaminstaller, --system-info, VAC]
[28.07.2026 21:09:39.444> lpbcommon| File [/etc/veeam/veeam.ini] does not exist, default settings will be used.
[28.07.2026 21:09:39.444> | LOG: Initializing log file for process with PID 2381047
[28.07.2026 21:09:39.444> | ====================================================================================
[28.07.2026 21:09:39.444> lpbcommon| {
[28.07.2026 21:09:39.444> lpbcommon| Veeam Agent for Linux: /var/lib/veeamma/utils/x64/veeaminstaller.
[28.07.2026 21:09:39.444> lpbcommon| PID: 2381047
[28.07.2026 21:09:39.444> lpbcommon| Version: 13.0.1.94
[28.07.2026 21:09:39.444> lpbcommon| Build edition: standard
[28.07.2026 21:09:39.444> lpbcommon| Build date: 29/10/2025
[28.07.2026 21:09:39.444> lpbcommon| hostname: backend-public-services
[28.07.2026 21:09:39.444> lpbcommon| uname
[28.07.2026 21:09:39.445> lpbcommon| sysname : Linux
[28.07.2026 21:09:39.445> lpbcommon| release : 6.8.0-106-generic
[28.07.2026 21:09:39.445> lpbcommon| version : #106-Ubuntu SMP PREEMPT_DYNAMIC Fri Mar 6 07:58:08 UTC 2026
[28.07.2026 21:09:39.445> lpbcommon| machine : x86_64
[28.07.2026 21:09:39.445> lpbcommon| cpuinfo
[28.07.2026 21:09:39.445> lpbcommon| processor : 0
[28.07.2026 21:09:39.445> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:39.445> lpbcommon| processor : 1
[28.07.2026 21:09:39.445> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:39.445> lpbcommon| processor : 2
[28.07.2026 21:09:39.445> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:39.445> lpbcommon| processor : 3
[28.07.2026 21:09:39.445> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:39.445> lpbcommon| processor : 4
[28.07.2026 21:09:39.445> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:39.445> lpbcommon| processor : 5
[28.07.2026 21:09:39.445> lpbcommon| model name : Intel(R) Xeon(R) D-2141I CPU @ 2.20GHz
[28.07.2026 21:09:39.445> lpbcommon| meminfo
[28.07.2026 21:09:39.445> lpbcommon| MemTotal: 16375828 kB
[28.07.2026 21:09:39.445> lpbcommon| MemFree: 1745716 kB
[28.07.2026 21:09:39.445> lpbcommon| MemAvailable: 14360480 kB
[28.07.2026 21:09:39.445> lpbcommon| hostIP
[28.07.2026 21:09:39.445> lpbcommon| 127.0.0.1
[28.07.2026 21:09:39.445> lpbcommon| 172.16.0.6
[28.07.2026 21:09:39.445> lpbcommon| XX.XXX.XX.XXX
[28.07.2026 21:09:39.445> lpbcommon| 172.17.0.1
[28.07.2026 21:09:39.445> lpbcommon| ::1
[28.07.2026 21:09:39.445> lpbcommon| fe8... ...
[28.07.2026 21:09:39.445> lpbcommon| }
[28.07.2026 21:09:39.446> installer| Running command [/var/lib/veeamma/utils/x64/veeaminstaller] with arguments: [{--system-info}, {VAC}].
[28.07.2026 21:09:39.446> installer| Collecting system info.
[28.07.2026 21:09:39.446> posix_sys| Looking for existing agent id in file [/etc/veeamagentid].
[28.07.2026 21:09:39.446> posix_sys| Existing agent id was not found in file.
[28.07.2026 21:09:39.446> posix_sys| Retrieving BIOS UUID
[28.07.2026 21:09:39.446> | Creating child process: which with arguments: dmidecode
[28.07.2026 21:09:39.448> | Creating child process: /usr/sbin/dmidecode with arguments: -s, system-uuid
[28.07.2026 21:09:39.449> posix_sys| Successfully received BIOS UUID using dmidecode
[28.07.2026 21:09:39.449> posix_sys| Hardware UUID: {564d552e-4cf8-9081-fa01-6f1502209e41}
[28.07.2026 21:09:39.449> posix_sys| Parsing SOsReleaseInfo from file /etc/os-release
[28.07.2026 21:09:39.449> posix_sys| /etc/os-release file content:
[28.07.2026 21:09:39.449> posix_sys| PRETTY_NAME="Ubuntu 24.04.4 LTS"
[28.07.2026 21:09:39.449> posix_sys| NAME="Ubuntu"
[28.07.2026 21:09:39.449> posix_sys| VERSION_ID="24.04"
[28.07.2026 21:09:39.449> posix_sys| VERSION="24.04.4 LTS (Noble Numbat)"
[28.07.2026 21:09:39.449> posix_sys| VERSION_CODENAME=noble
[28.07.2026 21:09:39.449> posix_sys| ID=ubuntu
[28.07.2026 21:09:39.449> posix_sys| ID_LIKE=debian
[28.07.2026 21:09:39.449> posix_sys| HOME_URL="https://www.ubuntu.com/"
[28.07.2026 21:09:39.449> posix_sys| SUPPORT_URL="https://help.ubuntu.com/"
[28.07.2026 21:09:39.449> posix_sys| BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
[28.07.2026 21:09:39.449> posix_sys| PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
[28.07.2026 21:09:39.449> posix_sys| UBUNTU_CODENAME=noble
[28.07.2026 21:09:39.449> posix_sys| LOGO=ubuntu-logo
[28.07.2026 21:09:39.449> configpar| Configuration content is parsed.
[28.07.2026 21:09:39.449> configpar| Configuration content is parsed. ok.
[28.07.2026 21:09:39.449> installer| Getting hostname.
[28.07.2026 21:09:39.449> | Creating child process: hostname with arguments:
[28.07.2026 21:09:39.450> | Thread started. Role: 'Stdout reader, pid 2381054', thread id: 135342638233280, parent id: 135342641679232.
[28.07.2026 21:09:39.450> | Thread started. Role: 'Stderr reader, pid 2381054', thread id: 135342629840576, parent id: 135342641679232.
[28.07.2026 21:09:39.451> installer| backend-public-services
[28.07.2026 21:09:39.451> | Thread finished. Role: 'Stdout reader, pid 2381054'.
[28.07.2026 21:09:39.452> | Thread finished. Role: 'Stderr reader, pid 2381054'.
[28.07.2026 21:09:39.452> installer| Getting hostname. ok.
[28.07.2026 21:09:39.452> installer| Getting fgdn.
[28.07.2026 21:09:39.452> | Creating child process: hostname with arguments: --fqdn
[28.07.2026 21:09:39.452> | Thread started. Role: 'Stdout reader, pid 2381057', thread id: 135342638233280, parent id: 135342641679232.
[28.07.2026 21:09:39.452> | Thread started. Role: 'Stderr reader, pid 2381057', thread id: 135342629840576, parent id: 135342641679232.
[28.07.2026 21:09:39.454> installer| backend-public-services
[28.07.2026 21:09:39.454> | Thread finished. Role: 'Stdout reader, pid 2381057'.
[28.07.2026 21:09:39.454> | Thread finished. Role: 'Stderr reader, pid 2381057'.
[28.07.2026 21:09:39.454> installer| Getting fgdn. ok.
[28.07.2026 21:09:39.454> installer| Collecting system info. ok.
Whereas in /var/log/veeamma/agent.log I see this issue:
2380991 [2380991] AgentService.Startup: Cannot validate the security certificate. Thumbprint data is missing
Then there's output from sudo veeamconfig -s and --show
mitsus@backend-public-services:/var/log/veeamma$ sudo veeamconsoleconfig -s
[sudo] password for mitsus:
Management agent
Connection state : Disconnected (Required parameters are missing)
Backup agent
Status : Not installed
mitsus@backend-public-services:/var/log/veeamma$ sudo veeamconsoleconfig --show
------------------- Management agent configuration ----------------------
Log file size (MB) : 10
Log files count : 10
Certificate thumbprint :
Deployment type : Remote
Cloud gateways (assigned) :
Cloud gateways (manually specified): vspc-cgw51.prod01.eu-west-rbx.backup.ovhcloud.com:6180
-------------------- Configuration summary ------------------------------
Tag :
Management agent ID : 7b9ea546-64c5-4c77-9d00-3dd4b479fe8f
Clustered agent ID : 7b9ea546-64c5-4c77-9d00-3dd4b479fe8f
Data collection interval (min) : 120
Thanks